package com.atguigu.gulimall.product.service.impl;

import com.atguigu.gulimall.product.entity.AttrEntity;
import com.atguigu.gulimall.product.service.AttrService;
import com.atguigu.gulimall.product.vo.AttrGroupWithAttrsVo;
import com.atguigu.gulimall.product.vo.SkuItemVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.AttrGroupDao;
import com.atguigu.gulimall.product.entity.AttrGroupEntity;
import com.atguigu.gulimall.product.service.AttrGroupService;
import org.springframework.util.StringUtils;


@Service("attrGroupService")
public class AttrGroupServiceImpl extends ServiceImpl<AttrGroupDao, AttrGroupEntity> implements AttrGroupService {
    @Autowired
    AttrGroupDao attrGroupDao;

    @Autowired
    AttrService attrService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrGroupEntity> page = this.page(
                new Query<AttrGroupEntity>().getPage(params),
                new QueryWrapper<AttrGroupEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPage(Map<String, Object> params, Long catelogId) {
        String key = (String) params.get("key");
        //select * from pms_attr_group where catelogid=#{}and (attr_group_id=key or attr_group_name like "%key%" )
        QueryWrapper<AttrGroupEntity> wrapper = new QueryWrapper<AttrGroupEntity>();
        if (!StringUtils.isEmpty(key)){
            wrapper.and((obj)->{
                obj.eq("attr_group_id", key).or().like("attr_group_name", key);
            });
        }
       if(catelogId==0){
           IPage<AttrGroupEntity> page = this.page(
                   new Query<AttrGroupEntity>().getPage(params),
                   wrapper
           );

           return new PageUtils(page);
       }else {
           wrapper.eq("catelog_id", catelogId);
           IPage<AttrGroupEntity> page = this.page(
                   new Query<AttrGroupEntity>().getPage(params),
                   wrapper
           );

           return new PageUtils(page);
       }

    }

    @Override
    public List<AttrGroupWithAttrsVo> getAttrGroupWithAttrsByCatelogId(Long catelogId) {
        //1.查询分组信息

        List<AttrGroupEntity> attrGroupEntities = attrGroupDao.selectList(new QueryWrapper<AttrGroupEntity>()
                .eq("catelog_id", catelogId));
        //2.查询所有的属性
        List<AttrGroupWithAttrsVo> collect = attrGroupEntities.stream().map((group) -> {
            AttrGroupWithAttrsVo attrsVo = new AttrGroupWithAttrsVo();
            BeanUtils.copyProperties(group, attrsVo);
            List<AttrEntity> attr = attrService.getRelationAttr(attrsVo.getAttrGroupId());
            attrsVo.setAttrs(attr);
            return attrsVo;
        }).collect(Collectors.toList());
        return collect;

    }

    @Override
    public List<SkuItemVo.SpuItemAttrGroupVo> getAttrGroupWithAttrsBySpuId(Long spuId, Long catalogId) {
        List<SkuItemVo.SpuItemAttrGroupVo> vos=attrGroupDao.getAttrGroupWithAttrsBySpuId(spuId, catalogId);
        return vos;
    }

}
